AISI 422 Stainless Steel vs. AISI 201 Stainless Steel
Both AISI 422 stainless steel and AISI 201 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is AISI 422 stainless steel and the bottom bar is AISI 201 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 260 to 330 | |
| 200 to 440 |
| Elastic (Young's, Tensile) Modulus, GPa | 200 | |
| 200 |
| Elongation at Break, % | 15 to 17 | |
| 4.6 to 51 |
| Fatigue Strength, MPa | 410 to 500 | |
| 280 to 600 |
| Poisson's Ratio | 0.28 | |
| 0.28 |
| Shear Modulus, GPa | 76 | |
| 77 |
| Shear Strength, MPa | 560 to 660 | |
| 450 to 840 |
| Tensile Strength: Ultimate (UTS), MPa | 910 to 1080 | |
| 650 to 1450 |
| Tensile Strength: Yield (Proof), MPa | 670 to 870 | |
| 300 to 1080 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 280 |
| Maximum Temperature: Corrosion, °C | 380 | |
| 410 |
| Maximum Temperature: Mechanical, °C | 650 | |
| 880 |
| Melting Completion (Liquidus), °C | 1480 | |
| 1410 |
| Melting Onset (Solidus), °C | 1470 | |
| 1370 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 480 |
| Thermal Conductivity, W/m-K | 24 | |
| 15 |
| Thermal Expansion, µm/m-K | 10 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 4.7 | |
| 2.5 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 5.3 | |
| 2.9 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 11 | |
| 12 |
| Density, g/cm3 | 7.9 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 3.1 | |
| 2.6 |
| Embodied Energy, MJ/kg | 44 | |
| 38 |
| Embodied Water, L/kg | 100 | |
| 140 |
Common Calculations
| PREN (Pitting Resistance) | 17 | |
| 19 |
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 150 | |
| 61 to 340 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1140 to 1910 | |
| 230 to 2970 |
| Stiffness to Weight: Axial, points | 14 | |
| 14 |
| Stiffness to Weight: Bending, points | 25 | |
| 25 |
| Strength to Weight: Axial, points | 32 to 38 | |
| 23 to 52 |
| Strength to Weight: Bending, points | 26 to 30 | |
| 22 to 37 |
| Thermal Diffusivity, mm2/s | 6.4 | |
| 4.0 |
| Thermal Shock Resistance, points | 33 to 39 | |
| 14 to 32 |
Alloy Composition
| Carbon (C), % | 0.2 to 0.25 | |
| 0 to 0.15 |
| Chromium (Cr), % | 11 to 12.5 | |
| 16 to 18 |
| Iron (Fe), % | 81.9 to 85.8 | |
| 67.5 to 75 |
| Manganese (Mn), % | 0.5 to 1.0 | |
| 5.5 to 7.5 |
| Molybdenum (Mo), % | 0.9 to 1.3 | |
| 0 |
| Nickel (Ni), % | 0.5 to 1.0 | |
| 3.5 to 5.5 |
| Nitrogen (N), % | 0 | |
| 0 to 0.25 |
| Phosphorus (P), % | 0 to 0.025 | |
| 0 to 0.060 |
| Silicon (Si), % | 0 to 0.5 | |
| 0 to 1.0 |
| Sulfur (S), % | 0 to 0.025 | |
| 0 to 0.030 |
| Tungsten (W), % | 0.9 to 1.3 | |
| 0 |
| Vanadium (V), % | 0.2 to 0.3 | |
| 0 |